//    Copyright 2021 Cardinal
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

class Teacher extends Thread{
    Teacher(String teacherName,int bookNum){
        this.bookNum = bookNum;
        this.teacherName = teacherName;
    }

    @Override
    public void run() {
        while(bookNum>0){
            System.out.println(teacherName + "老师发了一本笔记，还剩" + bookNum + "本");
            bookNum--;
        }
    }
    private int bookNum;
    private String teacherName;
}
public class homework_1 {

    public static void main(String[] args) {
        new Teacher("A", 80).start();
        new Teacher("B", 80).start();
        new Teacher("C", 80).start();
    }
}